The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
Answer:
The answer is <u>B</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u><u>.</u>
To me that sounds like a panic attack. “Feeling weak, faint or dizzy” “breathing difficulties” and shaking comes from the fear and quick heartbeats
Bulimia is an eating disorder in which someone forces vomiting in order to lose weight.
Therefore, I believe the answer would be throwing up after meals, as well as his teeth being discolored and his cheeks being swollen as a result of his bulimia.